Word.ws English Dictionary

mudstone

mudstone noun: a fine-grained sedimentary rock whose original constituents were clays or muds.

Noun

mudstone (countable and uncountable, plural mudstones)

  1. A fine-grained sedimentary rock whose original constituents were clays or muds.
    • The new fossils come from mudstones in central Poland, in beds that have been dated using other, much more common and cosmopolitan, fossils.2018 March 23, Susannah Lydon, The Guardian
    • Excavation of the twin bore tunnel will produce around 500,000 tonnes of mudstone and soil, which will be processed on site and then reused to build embankments elsewhere along the route.2022 December 14, Paul Stephen, “HS2's Dorothy starts to dig second tunnel bore”, in RAIL, number 972, page 22

Forms of mudstone

pluralmudstones

Origin of mudstone

From mud + stone.

Words formed from mudstone

Questions about mudstone

What does mudstone mean?
Mudstone means a fine-grained sedimentary rock whose original constituents were clays or muds.
What part of speech is mudstone?
Mudstone is a noun.
What is the plural of mudstone?
The plural of mudstone is mudstones.

Words near mudstone in the dictionary

  1. mudspate
  2. mudspates
  3. mudstain
  4. mudstained
  5. mudstains
  6. mudstone
  7. mudstones
  8. mudsucker
  9. mudsuckers
  10. Muduga
  11. Mudugar

Source and license

Adapted from Wiktionary: mudstone (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “mudstone.” Word.ws, https://word.ws/mudstone. Based on Wiktionary, CC BY-SA 4.0.